648220022806 has 8 divisors (see below), whose sum is σ = 972465534360. Its totient is φ = 324064844688.

The previous prime is 648220022803. The next prime is 648220022839. The reversal of 648220022806 is 608220022846.

648220022806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×648220022806² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648220022803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22565416 + ... + 22594123.

It is an arithmetic number, because the mean of its divisors is an integer number (121558191795).

Almost surely, 2^648220022806 is an apocalyptic number.

648220022806 is a deficient number, since it is larger than the sum of its proper divisors (324245511554).

648220022806 is a wasteful number, since it uses less digits than its factorization.

648220022806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45166718.

The product of its (nonzero) digits is 147456, while the sum is 40.

Adding to 648220022806 its sum of digits (40), we get a palindrome (648220022846).

The spelling of 648220022806 in words is "six hundred forty-eight billion, two hundred twenty million, twenty-two thousand, eight hundred six".